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Table 5 Cronbach’s alphas and ICC assessing internal consistency and test-retest reliability of the EPIC-26

From: Validation of the Italian version of the abbreviated expanded prostate Cancer index composite (EPIC-26) in men with prostate Cancer

Dimension T1 Cronbach’alpha T2 Cronbach’alpha ICC correlation (95% CI)
Urinary incontinence .886 .862 .764 (.717–.804)
Urinary irritation .585 .518 .600 (.529–.662)
Bowel dysfunction .699 .736 .536 (.458–.606)
Sexual dysfunction .860 .902 .552 (−.088–830)
Hormonal dysfunction .638 .700 .636 (.570–693)